What is CVE-2026-33088?

CVE-2026-33088 is a high-severity vulnerability in Six Apart Ltd. Movable Type, classified under SQL Injection. CVSS score: 7.3/10. Published 2026-04-08.

How severe is CVE-2026-33088?

High severity. CVSS v3 base score is 7.3 out of 10.

SQL Injection in Six Apart Ltd. Movable Type

CVE-2026-33088

Movable Type provided by Six Apart Ltd. contains an SQL Injection vulnerability which may allow an attacker to execute an arbitrary SQL statement.

Vulnerability class: SQL Injection

EPSS: 0.000 (12.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.3 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L.

Affected products

Six Apart Ltd. Movable Type — versions 9.1.0 and earlier, 9.0.6 and earlier, 8.8.2 and earlier
Six Apart Ltd. Movable Type Advanced — versions 9.1.0 and earlier, 9.0.6 and earlier, 8.8.2 and earlier
Six Apart Ltd. Movable Type Premium — versions 9.1.0 and earlier, 9.0.6 and earlier, 2.14 and earlier
Six Apart Ltd. Movable Type Premium Advanced Edition — versions 9.1.0 and earlier, 9.0.6 and earlier, 2.14 and earlier
Six Apart Ltd. Movable Type Premium (Mt8-based) — versions 2.14 and earlier

Weakness classification (CWE)

CWE-89 — SQL Injection

References

Frequently asked questions

What is CVE-2026-33088?: CVE-2026-33088 is a high-severity vulnerability in Six Apart Ltd. Movable Type, classified under SQL Injection. CVSS score: 7.3/10. Published 2026-04-08.
How severe is CVE-2026-33088?: High severity. CVSS v3 base score is 7.3 out of 10.